Home / 238,577.66-329,228.82-131,146.92

Finding the Fourth Proportional to 238,577.66, 329,228.82 and 131,146.92

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Solution

The fourth proportional to 238,577.66, 329,228.82 and 131,146.92 is: 180,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,577.66 : 329,228.82 = 131,146.92 : x
  2. Step 2: Convert to fraction form
    238,577.66/329,228.82 = 131,146.92/x
  3. Step 3: Cross multiply
    238,577.66x = 329,228.82 × 131,146.92
  4. Step 4: Simplify right side
    238,577.66x = 43,177,345,718.23
  5. Step 5: Solve for x
    x = 43,177,345,718.23/238,577.66
  6. Step 6: Final answer
    x = 180,978.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.